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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <soc/acpi.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include <soc/intel/broadwell/chip.h>
static void pci_domain_set_resources(struct device *dev)
{
assign_resources(dev->link_list);
}
static struct device_operations pci_domain_ops = {
.read_resources = &pci_domain_read_resources,
.set_resources = &pci_domain_set_resources,
.scan_bus = &pci_domain_scan_bus,
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
.write_acpi_tables = &northbridge_write_acpi_tables,
#endif
};
static struct device_operations cpu_bus_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.init = &broadwell_init_cpus,
};
static void broadwell_enable(struct device *dev)
{
/* Set the operations if it is a special bus type */
if (dev->path.type == DEVICE_PATH_DOMAIN) {
dev->ops = &pci_domain_ops;
} else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
dev->ops = &cpu_bus_ops;
} else if (dev->path.type == DEVICE_PATH_PCI) {
/* Handle PCH device enable */
if (PCI_SLOT(dev->path.pci.devfn) > SA_DEV_SLOT_MINIHD &&
(dev->ops == NULL || dev->ops->enable == NULL)) {
broadwell_pch_enable_dev(dev);
}
}
}
struct chip_operations soc_intel_broadwell_ops = {
CHIP_NAME("Intel Broadwell")
.enable_dev = &broadwell_enable,
.init = &broadwell_init_pre_device,
};
static void pci_set_subsystem(struct device *dev, unsigned int vendor,
unsigned int device)
{
if (!vendor || !device)
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
pci_read_config32(dev, PCI_VENDOR_ID));
else
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
(device << 16) | vendor);
}
struct pci_operations broadwell_pci_ops = {
.set_subsystem = &pci_set_subsystem
};
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